Deletes the class VideoRendererCallback.

webrtc/modules/video_render/ios/video_render_ios_channel.h

Index: webrtc/modules/video_render/ios/video_render_ios_channel.h
diff --git a/webrtc/modules/video_render/ios/video_render_ios_channel.h b/webrtc/modules/video_render/ios/video_render_ios_channel.h
index a15ba393dc0cad51acf347f9dea0b7d11f65ffee..31c89beb7f1e607af467d0cf952a466f39aa01fa 100644
--- a/webrtc/modules/video_render/ios/video_render_ios_channel.h
+++ b/webrtc/modules/video_render/ios/video_render_ios_channel.h
@@ -18,14 +18,13 @@ namespace webrtc {
 
 class VideoRenderIosGles20;
 
-class VideoRenderIosChannel : public VideoRenderCallback {
+class VideoRenderIosChannel : public rtc::VideoSinkInterface<VideoFrame> {
  public:
   explicit VideoRenderIosChannel(VideoRenderIosView* view);
   virtual ~VideoRenderIosChannel();
 
-  // Implementation of VideoRenderCallback.
-  int32_t RenderFrame(const uint32_t stream_id,
-                      const VideoFrame& video_frame) override;
+  // Implementation of rtc::VideoSinkInterface<VideoFrame>.
+  void OnFrame(const VideoFrame& video_frame) override;
 
   int SetStreamSettings(const float z_order,
                         const float left,